what is Harmonic effect?

2 Answers  

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what is the name of the oil is used in transformer?

5 Answers  

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What is the use of Exciter in generator? & what will be the current of Exciter in 500 KVA DG Set?

2 Answers  

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sigal phase supply is 230 v ac two phase supply is 415 v ac why three phase supply is 415 v ac why not 690 v ac

4 Answers  

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what is the need to express current and voltage in rms value? rms value is also called as effective value,what is effective value?

0 Answers   Bhel,

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what is threshold voltage for a relay???what does it exactly means ?whats its value in our indian transmission system say 11kv feeder RMU relay

3 Answers  

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what is the difference betweem star connected motor & delta connected motor?

0 Answers  

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why transformers are put with supply for 24 hours before giving supplying to a locality?

2 Answers  

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We have .ht motor which is 60Hz.we run on 50Hz.so that it's speed reduce but we had one prob.that motor winding temp increase up to 135 deg.we want reduce this temp.what to do?we arrange ext.cooling fan but not much effect.we want reduce this temp. Inhouse without affecting much.cost. also don't want reWINDING OF MOTOR?

3 Answers  

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Why dc shunt motor in lathe, compound motor in rolling mills

1 Answers  

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Explain about technical and non technical losses in distribution system?

0 Answers  

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why are we using resistor in NGR ?

1 Answers  

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